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lapulce(at)sunrise.ch
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 Posted: Sun Jul 06, 2014 11:18 am Post subject: LiFePo Battery |
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Hello Bob and who it may concerne,
I am quite new to this group. I recently bought in Friedrichshafen at
the Aero 2014 a new LiFePo battery from AeroAkku ( model LFP450 D
Starter Battery for Lyc 0-320 ) The vendor told me that these
batteries are built with A123 Systems elements APR 18650M1. Do you
know this product ( it looks like a german assembly ) and has someone
of this list some or even extended experience with this type of
battery in general aviation especially concerning how to recharge and
reliability.
Thanks in advance
Guido
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eschlanser
Joined: 08 Apr 2010
Posts: 60
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| Posted: Mon Jul 28, 2014 5:38 pm Post subject: Re: LiFePo Battery |
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Guido,
Did you ever receive a reply to your battery question?
Sometimes questions get lost if Bob and others are busy sorting out other issues.
Ask again. I am also curious about the new batteries.
Eric
| lapulce(at)sunrise.ch wrote: | Hello Bob and who it may concerne,
I am quite new to this group. I recently bought in Friedrichshafen at
the Aero 2014 a new LiFePo battery from AeroAkku ( model LFP450 D
Starter Battery for Lyc 0-320 ) The vendor told me that these
batteries are built with A123 Systems elements APR 18650M1. Do you
know this product ( it looks like a german assembly ) and has someone
of this list some or even extended experience with this type of
battery in general aviation especially concerning how to recharge and
reliability.
Thanks in advance
Guido |
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lapulce(at)sunrise.ch
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| Posted: Tue Jul 29, 2014 12:07 am Post subject: LiFePo Battery |
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Eric,
no I never got an answer or comment to my question. I installed the
below mentioned battery into our Tailwind recently and saved 12,2 kg
in weight ! Our old lead acid battery ( Sonnenschein ) was 14 kg and
the new one is only 1,8kg ! The cranking power is excellent even
better than with the lead acid battery. Up to now we had no problems
but is only one month and 5 starts with run ups away.
Guido
On 29.07.2014, at 03:38, eschlanser wrote:
| Quote: |
>
Guido,
Did you ever receive a reply to your battery question?
Sometimes questions get lost if Bob and others are busy sorting out
other issues.
Ask again. I am also curious about the new batteries.
Eric
lapulce(at)sunrise.ch wrote:
> Hello Bob and who it may concerne,
> I am quite new to this group. I recently bought in Friedrichshafen at
> the Aero 2014 a new LiFePo battery from AeroAkku ( model LFP450 D
> Starter Battery for Lyc 0-320 ) The vendor told me that these
> batteries are built with A123 Systems elements APR 18650M1. Do you
> know this product ( it looks like a german assembly ) and has someone
> of this list some or even extended experience with this type of
> battery in general aviation especially concerning how to recharge and
> reliability.
> Thanks in advance
> Guido
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=427486#427486
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nuckolls.bob(at)aeroelect
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| Posted: Tue Jul 29, 2014 9:14 am Post subject: LiFePo Battery |
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At 02:16 PM 7/6/2014, you wrote:
--> AeroElectric-List message posted by: Guido von Allmen <lapulce(at)sunrise.ch>
Hello Bob and who it may concerne,
I am quite new to this group. I recently bought in Friedrichshafen at
the Aero 2014 a new LiFePo battery from AeroAkku ( model LFP450 D
Starter Battery for Lyc 0-320 ) The vendor told me that these
batteries are built with A123 Systems elements APR 18650M1. Do you
know this product ( it looks like a german assembly ) and has someone
of this list some or even extended experience with this type of
battery in general aviation especially concerning how to recharge and
reliability.
These are tough questions to answer. There is virtually zero long term history of A123 or any other product in OBAM aircraft from which one might offer anecdotal observations . . . much less comparative studies for return on investment to be realized by selecting this or any other lithium product.
As to 'recharge' recommendations, I'll note that even the pronouncements of the manufacturers is all over the map. Some folks bundle up some cells in a nice case an say, "Here's a drop in replacement for lead-acid." This is demonstrably not true. Others will include a nifty connector for a 'smart charger' on their product with words like, "You don't NEED our supper-whippy charger but . . . using it could double your battery life."
Say what? By the way, they DON'T tell you the operational protocols under which the supper-whippy charger yields the best battery service life.
Still others (EarthX most notably) have build advanced battery management systems electronics INTO their battery. These are probably as close as you will come to a drop-in replacement for lead-acid. The fact that lithium batteries have been demonstrated to benefit from such advanced electronics is a BOLD statement that argues with any other products that claim to replace a lead-acid battery with their simple assembly of cells into a nice case.
The jury is still out but evidence will being to mount as the willing experimenters in the market sample the range of products and begin to report their experiences.
Guido my friend, YOU are positioned to become the authority as one of hopefully many participants in this grand experiment. Operate your battery as close as possible to the manufacturer's recommendations . . . and then you tell US of your experience.
Bob . . . [quote][b]
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user9253
Joined: 28 Mar 2008
Posts: 1925
Location: Riley TWP Michigan
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| Posted: Sat Feb 14, 2015 7:13 am Post subject: Re: LiFePo Battery |
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A RV-6A builder replaced a PC-680 with a 2.7lb Shorai LFX18L1-BS12 LiFePo battery a year ago and yesterday posted that there have been no problems during the past year. Read the thread here:
http://www.vansairforce.com/community/showthread.php?t=108103
Joe
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